CN204715926U - Door in door is locked - Google Patents
Door in door is locked Download PDFInfo
- Publication number
- CN204715926U CN204715926U CN201520444662.8U CN201520444662U CN204715926U CN 204715926 U CN204715926 U CN 204715926U CN 201520444662 U CN201520444662 U CN 201520444662U CN 204715926 U CN204715926 U CN 204715926U
- Authority
- CN
- China
- Prior art keywords
- latch bolt
- shift fork
- door
- planker
- switch block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is the door in door lock on a kind of security door for possessing ventilation function.The purpose of this utility model is the complicated operation, the not easy weak point that exist for existing door in door lockset, provides the door in door that can automatically lock during a kind of closedown lock.The utility model comprises side panel, latch bolt assembly, lock box, master lock tongue, switch block assembly and plate assembly, and wherein, side panel and lock box link together, and side panel is provided with master lock tongue apertures and inclined tongue hole, and latch bolt assembly is located in lock box; Switch block assembly and plate assembly are all located in lock box, and be located at one end of the master lock tongue on switch block assembly and match with the master lock tongue apertures on lock box, the other end of master lock tongue is provided with planker, planker have waist-shaped hole and stir back stop slot; Switch block assembly comprises switch block, latch bolt shift fork and planker shift fork, and latch bolt shift fork and planker shift fork are sleeved on switch block successively.The utility model, compared with existing door in door lockset, to automatically lock when having closedown, feature simple to operate.
Description
Technical field
The utility model relates to lock technology field, the door in door lock particularly on a kind of security door for possessing ventilation function.
Background technology
In existing security door kind, have a class to have the security door of ventilation function, this security door is equipped with the wicket of a ventilation, i.e. door in door, opening this door in door can increase indoor ventilation.Existing door in door adopts usually the lockset of belt lock tongue, for opening or closing door in door, master lock tongue must could be locked by turning knob in pass by this type of lockset behind the door, closes door in door.Adopt this lockset, the complicated operation when closing door in door, can not meet convenient demand.
Summary of the invention
The purpose of this utility model is the complicated operation, the not easy weak point that exist for existing door in door lockset, provides the door in door that can automatically lock during a kind of closedown lock.
The utility model completes in the following way: a kind of door in door lock, this door in door lock comprises side panel, latch bolt assembly, lock box, master lock tongue, switch block assembly and plate assembly, wherein, side panel and lock box link together, side panel is provided with master lock tongue apertures and inclined tongue hole, latch bolt assembly is located in lock box, stretching motion under the effect of switch block assembly and plate assembly, switch block assembly and plate assembly are all located in lock box, and match with the master lock tongue apertures on side panel in one end of master lock tongue, the other end of master lock tongue is provided with planker, and planker is located at the top of switch block assembly, planker have waist-shaped hole and stir back stop slot, switch block assembly comprises switch block, latch bolt shift fork and planker shift fork, and latch bolt shift fork and planker shift fork are sleeved on switch block successively, and latch bolt shift fork and planker shift fork can rotate under switch block drives, the side of planker shift fork is provided with projection one, and projection one is contained in, and planker stirs in back stop slot, and when planker shift fork rotates, projection one stirs planker, and planker drives in master lock tongue retraction lock box, latch bolt shift fork is provided with plectrum one and plectrum two, and latch bolt shift fork is contained on switch block, and plectrum one matches with plate assembly, and plectrum two matches with latch bolt assembly, and plectrum two stirs latch bolt assembly retraction, described plate assembly comprises plate, extension spring, clasp spring and clasp, lead and reference column is provided with in lock box, the two ends of plate are contained on lead and reference column respectively, match with latch bolt assembly in one end of plate, the one end being contained in the clasp on reference column is provided with hook, hook matches with the projection one of planker shift fork, one end of extension spring is fixed in plate, the other end of extension spring is fixed on lock box, clasp spring is located between plate and clasp, one end of clasp spring is against on the inwall of lock box, the other end of clasp spring is against on clasp, when projection one stir planker make master lock gyrus lingulais contract after, clasp under the effect of clasp spring to hook direction return, projection one and hook fasten, master lock tongue is opening, the projection one of planker shift fork is provided with torsion spring, and one end of torsion spring is connected on the projection one of planker shift fork, and the other end of torsion spring is located on plate assembly, and when projection one is separated with hook, projection one stirs planker under the effect of torsion spring, and master lock tongue ejects.
In described door in door lock, one end of described plate is provided with hole one, and the other end of plate is provided with hole two, Kong Yiyu lead and matches, Kong Eryu reference column matches, the side in hole two is provided with the groove matched with reference column, and plate is provided with stirs post, links up with and stir hook, stirs post and is located at side in the middle part of plate, stir post to match with the plectrum one on latch bolt shift fork, switch block drives latch bolt shift fork to rotate, and the plectrum one on latch bolt shift fork stirs post, and plate moves thereupon; Hook, stir hook and be located at both sides with Kong Ertong one end in plate respectively, stir hook and match with latch bolt assembly, link up with and be connected with one end of extension spring, the sidewall of lock box is provided with lug three, and the other end of extension spring is connected with lug three, and extension spring pulls plate return.
In described door in door lock, described switch block is axially arranged with turn-button hole, the top of switch block adopts column structure, switch block is provided with boss, latch bolt shift fork and planker shift fork are all contained on boss, the bottom of switch block is provided with base, base is fixed on lock box, planker shift fork is provided with axis hole one, planker shift fork is contained on switch block by axis hole one, latch bolt shift fork is provided with axis hole two, latch bolt shift fork is contained on switch block by axis hole two, the inwall of the axis hole one of planker shift fork is provided with lug one, the inwall of the axis hole two of latch bolt shift fork is provided with lug two, when switch block rotates, planker shift fork is first driven to rotate, projection one on planker shift fork stirs planker, master lock tongue is opening, switch block is rotated further, and drive latch bolt shift fork to rotate, stir latch bolt assembly, latch bolt assembly is opened.
In described door in door lock, the lug one on described axis hole one has potential difference with the lug two on axis hole two.
In described door in door lock, described clasp is provided with projection two, axle sleeve and hook, and its bottom bracket axle is located at the surface of clasp, and one end of torsion spring is contained on axle sleeve, and one end of torsion spring is connected on the projection one of planker shift fork; The projection two being located at one end of clasp is positioned at the hole two in plate, and one end of clasp spring is against on the inwall of lock box, and the other end of clasp spring is against on the projection two of clasp, and hook is located at the other end of clasp; When latch bolt assembly drives plate, the projection two in plate poke hole two, clasp rotates, and the projection one on the hook on clasp and planker shift fork is thrown off, and master lock tongue is automatic spring locking under the effect of torsion spring.
In described door in door lock, described latch bolt assembly comprises spring, sliding piece, latch bolt axle and latch bolt, prerotation vane is provided with in lock box, one end of spring is against on prerotation vane, the other end of spring is against in latch bolt, and latch bolt axle one end is connected with latch bolt, and the latch bolt axle other end is connected with sliding piece, plectrum two on latch bolt shift fork acts on sliding piece, and sliding piece drives latch bolt to move.
In described door in door lock, the side of described sliding piece is provided with dials hook, dials hook and matches with the hook of stirring in plate.
When key or handle open latch bolt, first switch block drives planker shift fork to rotate together, and the projection one on planker shift fork stirs planker, and master lock gyrus lingulais is contracted, and mutually engage with the hook on clasp at the effect lower protruding block one of clasp spring, master lock tongue is opening; Be rotated further switch block, switch block drives latch bolt shift fork to rotate, and the plectrum one on latch bolt shift fork is stirred and plate stirred post, forces to stir hook and dial hook and be separated; Meanwhile, plectrum two stirs the sliding piece of latch bolt assembly, and latch bolt is retracted in opening.
Under master lock tongue is opening, latch bolt assembly is subject to External Force Acting retraction at closing time, group hook on sliding piece is hooked under the effect of extension spring with stirring in plate and engages, and dead bolt assembly outwards moves under the action of the spring, drives plate, order about projection two rotation on the clasp that matches with plate, hook on clasp rotate together and with projection one disengagement on planker shift fork, projection one, under the restoring force effect of torsion spring, stirs planker and master lock tongue, master lock tongue ejects, door in door lock automatic blocking.
The utility model, compared with existing door in door lockset, to automatically lock when having closedown, feature simple to operate.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model door in door lock.
Fig. 2 is the structural representation of the utility model lock-out state.
Fig. 3 is the structural representation of the utility model opening.
Fig. 4 is the structural representation in the utility model opening process.
Fig. 5 is that the utility model master lock tongue is opened, the structural representation of latch bolt locking.
Fig. 6 is the structural representation that the utility model automatically locks in process.
Fig. 7 is the front view of plate in the utility model.
Fig. 8 is the left view of Fig. 7.
In accompanying drawing 1 ~ 8,1 represents side panel; 1a represents master lock tongue apertures; 2 represent latch bolt assembly; 2a represents spring; 2b represents sliding piece; 2b1 represents group hook; 3 represent lock box; 3a represents lead; 3b represents reference column; 3c represents lug three; 3d represents prerotation vane; 4 represent plate; 4a represents hole one; 4b represents and stirs post; 4c represents hole two; 4d represents hook; 4e represents and stirs hook; 5 represent cover; 6 represent extension spring; 7 represent pad cover; 8 represent clasp spring; 9 represent clasp; 9a represents projection two; 9b represents axle sleeve; 9c represents hook; 10 represent torsion spring; 11 represent cushion cover; 12 represent planker; 12a represents waist-shaped hole; 12b represents and stirs back stop slot; 13 represent master lock tongue; 14 represent planker shift fork; 14a represents axis hole one; 14a1 represents lug one; 14b represents projection one; 15 represent latch bolt shift fork; 15a represents plectrum one; 15b represents axis hole two; 15b1 represents lug two; 15c represents plectrum two; 16 represent switch block; 16a represents turn-button hole; 16b represents column structure; 16c represents boss; 16d represents base.
Detailed description of the invention
Contrast accompanying drawing below, by embodiment, the utility model is described in further detail.
With reference to accompanying drawing 1 ~ 8, a kind of door in door lock, this door in door lock comprises side panel 1, latch bolt assembly 2, lock box 3, master lock tongue 13, switch block assembly and plate assembly, wherein, side panel 1 and lock box 3 link together, side panel 1 is provided with master lock tongue apertures 1a and inclined tongue hole, and latch bolt assembly 2 is located in lock box 3, stretching motion under the effect of switch block assembly and plate assembly; Switch block assembly and plate assembly are all located in lock box 3, match with the master lock tongue apertures 1a on lock box 3 in one end of master lock tongue 13, the other end of master lock tongue 13 is provided with planker 12, planker 12 is located at the top of switch block assembly, planker 12 have waist-shaped hole 12a and stir back stop slot 12b, the top of waist-shaped hole 12a is provided with cushion cover 11;
Described switch block assembly comprises switch block 16, latch bolt shift fork 15 and planker shift fork 14, and latch bolt shift fork 15 and planker shift fork 14 are sleeved on switch block 16 successively, and latch bolt shift fork 15 and planker shift fork 14 can rotate under switch block 16 drives; Planker shift fork 14 is provided with axis hole one 14a, planker shift fork 14 is contained on switch block 16 by axis hole one 14a, the side of planker shift fork 14 is provided with projection one 14b, projection one 14b is located at and planker 12 stirs in back stop slot 12b, when planker shift fork 14 rotates, projection one 14b stirs planker 12, and planker 12 drives master lock tongue 13 to retract in lock box 3; Latch bolt shift fork 15 is provided with plectrum one 15a, axis hole two 15b and plectrum two 15c, and latch bolt shift fork 15 is contained on switch block 16 by axis hole two 15b, and plectrum one 15a matches with plate assembly, and plectrum two 15c matches with latch bolt assembly 2, stirs latch bolt assembly 2 and bounces back; Switch block 16 is axially arranged with turn-button hole 16a, the top of switch block 16 adopts column structure 16b, and the bottom of switch block 16 is provided with boss 16c, and latch bolt shift fork 15 and planker shift fork 14 are all contained on boss 16c, the bottom of switch block 16 is provided with base 16d, and base 16d is fixed on lock box 3; The inwall of axis hole one 14a of planker shift fork 14 is provided with lug one 14a1, the inwall of axis hole two 15b of latch bolt shift fork 15 is provided with lug two 15b1, lug two 15b1 on lug one 14a1 on axis hole one 14a and axis hole two 15b has potential difference, when switch block 16 rotates, planker shift fork 14 is first driven to rotate, projection one 14b on planker shift fork 14 stirs planker 12, and master lock tongue 13 is in opening; Switch block 16 is rotated further, and drive latch bolt shift fork 15 to rotate, stir latch bolt assembly 2, latch bolt assembly 2 is opened;
Described plate assembly comprises plate 4, extension spring 6, clasp spring 8 and clasp 9, lead 3a and reference column 3b is provided with in lock box 3, one end of plate 4 is provided with hole one 4a, the other end of plate 4 is provided with hole two 4c, hole one 4a matches with lead 3a, the outside of lead 3a is provided with cover 5, hole two 4c matches with reference column 3b, the side of hole two 4c is provided with the groove matched with reference column 3b, plate 4 is provided with stirs post 4b, link up with 4d and stir hook 4e, stir post 4b and be located at side in the middle part of plate 4, stir post 4b to match with plectrum one 15a on latch bolt shift fork 15, switch block 16 drives latch bolt shift fork 15 to rotate, plectrum one 15a on latch bolt shift fork 15 stirs post 4b, plate 4 moves thereupon, hook 4d, stir hook 4e be located at respectively in plate 4 with the both sides of hole two 4c with one end, stir hook 4e to match with latch bolt assembly 2, hook 4d is provided with extension spring 6, the sidewall of lock box 3 is provided with lug three 3c, one end of extension spring 6 is connected with hook 4d, the other end connecting extension spring 6 is connected with lug three 3c, and extension spring 6 pulls plate 4 return, the top of plate 4 is provided with pad cover 7, and pad cover 7 is provided with clasp spring 8, clasp 9 is provided with projection two 9a, axle sleeve 9b and hook 9c, its bottom bracket axle 9b is located at the surface of clasp 9, projection two 9a being located at one end of clasp 9 is positioned at hole two 4c in plate 4, one end of clasp spring 8 is against on the inwall of lock box 3, the other end of clasp spring 8 is against on projection two 9a of clasp 9, hook 9c is located at the other end of clasp 9, hook 9c matches with projection one 14b of planker shift fork 14, projection one 14b stir planker 12 make master lock tongue 13 bounce back after, clasp 9 under the effect of clasp spring 8 to hook 9c direction return, projection one 14b and hook 9c fastens, master lock tongue 13 is in opening,
Projection one 14b of planker shift fork 14 is provided with torsion spring 10, one end of torsion spring 10 is connected on projection one 14b of planker shift fork 14, and the other end of torsion spring 10 is located on plate assembly, when projection one 14b is separated with hook 9c, projection one 14b stirs planker under the effect of torsion spring 10, and master lock tongue 13 ejects;
Described latch bolt assembly 2 comprises spring 2a, sliding piece 2b, latch bolt axle and latch bolt, be provided with prerotation vane 3d in lock box 3, one end of spring 2a is against on prerotation vane 3d, and the other end of spring 2a is against in latch bolt, latch bolt axle one end is connected with latch bolt, and the latch bolt axle other end is connected with sliding piece 2b; The side of sliding piece 2b is provided with dials hook 2b1, dials hook 2b1 and matches with the hook 4e that stirs in plate 4; Plectrum two 15c on latch bolt shift fork 15 acts on sliding piece 2b, and sliding piece 2b drives latch bolt to move.
When key or handle open latch bolt, first switch block 16 drives planker shift fork 14 to rotate together, and projection one 14b on planker shift fork 14 stirs planker 12, and master lock tongue 13 bounces back, mutually engage with the hook 9c on clasp 9 at effect lower protruding block one 14b of clasp spring 8, master lock tongue 13 is in opening; Be rotated further switch block 16, switch block 16 drives latch bolt shift fork 15 to rotate, and plectrum one 15a on latch bolt shift fork 15 stirs and plate 4 stirs post 4b, forces to stir hook 4e and dial hook 2b1 and be separated; Meanwhile, plectrum two 15c stirs the sliding piece 2b of latch bolt assembly 2, and latch bolt is retracted in opening.
Under master lock tongue 13 is in opening, dead bolt receives External Force Acting retraction at closing time, the hook 2b1 that dials on sliding piece 2b engages under the effect of extension spring 6 with the hook 4e in plate 4, dead bolt assembly 2 outwards moves under the effect of spring 2a, drive plate 4, projection two 9a ordered about on the clasp 9 that matches with plate 4 rotates, hook 9c on clasp 9 rotates together and throws off with projection one 14b on planker shift fork 14, projection one 14b is under the restoring force effect of torsion spring 10, stir planker 12 and master lock tongue 13, master lock tongue 13 ejects, door in door lock automatic blocking.
Claims (7)
1. a door in door lock, this door in door lock comprises side panel, latch bolt assembly, lock box, master lock tongue, switch block assembly and plate assembly, and wherein, side panel and lock box link together, and side panel is provided with master lock tongue apertures and inclined tongue hole, and latch bolt assembly is located in lock box; Switch block assembly and plate assembly are all located in lock box, and match with the master lock tongue apertures on side panel in one end of master lock tongue, the other end of master lock tongue is provided with planker, and planker is located at the top of switch block assembly, planker have waist-shaped hole and stir back stop slot; Switch block assembly comprises switch block, latch bolt shift fork and planker shift fork, and latch bolt shift fork and planker shift fork are sleeved on switch block successively; The side of planker shift fork is provided with projection one, and projection one is contained in, and planker stirs in back stop slot; Latch bolt shift fork is provided with plectrum one and plectrum two, and latch bolt shift fork is contained on switch block, and plectrum one matches with plate assembly, and plectrum two matches with latch bolt assembly; Described plate assembly comprises plate, extension spring, clasp spring and clasp, lead and reference column is provided with in lock box, the two ends of plate are contained on lead and reference column respectively, match with latch bolt assembly in one end of plate, the one end being contained in the clasp on reference column is provided with hook, hook matches with the projection one of planker shift fork, one end of extension spring is fixed in plate, the other end of extension spring is fixed on lock box, clasp spring is located between plate and clasp, one end of clasp spring is against on the inwall of lock box, and the other end of clasp spring is against on clasp; The projection one of planker shift fork is provided with torsion spring, and one end of torsion spring is connected on the projection one of planker shift fork, and the other end of torsion spring is located on plate assembly.
2. door in door lock according to claim 1, it is characterized in that one end of described plate is provided with hole one, the other end of plate is provided with hole two, Kong Yiyu lead matches, Kong Eryu reference column matches, and the side in hole two is provided with the groove matched with reference column, and plate is provided with stirs post, links up with and stir hook, stir post and be located at side in the middle part of plate, stir post and match with the plectrum one on latch bolt shift fork; Hook, stir hook and be located at both sides with Kong Ertong one end in plate respectively, stir hook and match with latch bolt assembly, link up with and be connected with one end of extension spring, the sidewall of lock box is provided with lug three, and the other end of extension spring is connected with lug three.
3. door in door lock according to claim 1 and 2, it is characterized in that described switch block is axially arranged with turn-button hole, the top of switch block adopts column structure, the bottom of switch block is provided with boss, latch bolt shift fork and planker shift fork are all contained on boss, the bottom of switch block is provided with base, base is fixed on lock box, planker shift fork is provided with axis hole one, planker shift fork is contained on switch block by axis hole one, latch bolt shift fork is provided with axis hole two, latch bolt shift fork is contained on switch block by axis hole two, the inwall of the axis hole one of planker shift fork is provided with lug one, the inwall of the axis hole two of latch bolt shift fork is provided with lug two.
4. door in door lock according to claim 3, is characterized in that the lug one on described axis hole one has potential difference with the lug two on axis hole two.
5. door in door lock according to claim 1 and 2, it is characterized in that described clasp is provided with projection two, axle sleeve and hook, its bottom bracket axle is located at the surface of clasp, and one end of torsion spring is contained on axle sleeve, and one end of torsion spring is connected on the projection one of planker shift fork; The projection two being located at one end of clasp is positioned at the hole two in plate, and one end of clasp spring is against on the inwall of lock box, and the other end of clasp spring is against on the projection two of clasp, and hook is located at the other end of clasp.
6. door in door lock according to claim 1 and 2, it is characterized in that described latch bolt assembly comprises spring, sliding piece, latch bolt axle and latch bolt, prerotation vane is provided with in lock box, one end of spring is against on prerotation vane, the other end of spring is against in latch bolt, latch bolt axle one end is connected with latch bolt, and the latch bolt axle other end is connected with sliding piece.
7. door in door lock according to claim 6, is characterized in that the side of described sliding piece is provided with and dials hook, dial hook and match with the hook of stirring in plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444662.8U CN204715926U (en) | 2015-06-25 | 2015-06-25 | Door in door is locked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444662.8U CN204715926U (en) | 2015-06-25 | 2015-06-25 | Door in door is locked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204715926U true CN204715926U (en) | 2015-10-21 |
Family
ID=54314930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520444662.8U Expired - Fee Related CN204715926U (en) | 2015-06-25 | 2015-06-25 | Door in door is locked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204715926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593092A (en) * | 2016-12-15 | 2017-04-26 | 江门市金力高锁业有限公司 | Door lock with anti-card-inserting device |
| CN108798289A (en) * | 2018-07-11 | 2018-11-13 | 浙江新巨力安防科技股份有限公司 | A kind of quick unlatching, Quick locking lock body |
-
2015
- 2015-06-25 CN CN201520444662.8U patent/CN204715926U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593092A (en) * | 2016-12-15 | 2017-04-26 | 江门市金力高锁业有限公司 | Door lock with anti-card-inserting device |
| CN108798289A (en) * | 2018-07-11 | 2018-11-13 | 浙江新巨力安防科技股份有限公司 | A kind of quick unlatching, Quick locking lock body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180724 Address after: 321300 No. 398, Chuang Chuang Road, Yongkang Economic Development Zone, Jinhua, Zhejiang Patentee after: Zhejiang Juli security Polytron Technologies Inc Address before: 321300 No. 398, Chuang Chuang Road, Yongkang Economic Development Zone, Jinhua, Zhejiang Patentee before: ZHEJIANG JULI INDUSTRIAL TRADING CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20210625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |